1. Basic Selectors

• $('p')—Accesses all the paragraph elements in the HTML file

• $('div')—Accesses all the div elements in the HTML file

• $('#A')—Accesses all the HTML elements with id=A

• $('.b')—Accesses all the HTML elements with class=b

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2.?Applying CSS to Elements?

$('div').addClass('highlight');

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3. Some basic selection APIs

// select all the elements that contain the text Life $('span:contains(Life)').addClass('highlight');$('div:odd').addClass('highlight'); $('div:even').addClass('boundary'); $('p:eq(1)').addClass('linkstyle');

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4.?Obtaining the HTML of an Element?

alert($('p').html());

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5.?Changing the Content of a DOM Node?

$('#textId').text('some text content');$('p').html('<b>We can create Rich Internet Applications </b><br/>by making AJAX requests');

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6.?Creating a DOM Node on the Fly?

1) Inserts the specified content at the beginning of the selected element and returns a jQuery object?

$('p').prepend('<h2> Power of selectors </h2>');

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